85843774 has 32 divisors (see below), whose sum is σ = 142534656. Its totient is φ = 38633760.

The previous prime is 85843763. The next prime is 85843777. The reversal of 85843774 is 47734858.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85843777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51949 + ... + 53575.

It is an arithmetic number, because the mean of its divisors is an integer number (4454208).

Almost surely, 2^85843774 is an apocalyptic number.

85843774 is a deficient number, since it is larger than the sum of its proper divisors (56690882).

85843774 is a wasteful number, since it uses less digits than its factorization.

85843774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its digits is 752640, while the sum is 46.

The square root of 85843774 is about 9265.1915252735. The cubic root of 85843774 is about 441.1330542589.

The spelling of 85843774 in words is "eighty-five million, eight hundred forty-three thousand, seven hundred seventy-four".